linux-kernel - [PATCH] add more help description for "path to uevent helper"

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Date:	Sun, 19 Jun 2011 22:30:16 +0200
From:	Németh Márton <nm127@...email.hu>
To:	Greg Kroah-Hartman <gregkh@...e.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] add more help description for "path to uevent helper"

From: Márton Németh <nm127@...email.hu>

The kernel configuration UEVENT_HELPER_PATH is a string to
the uevent helper program. Add more description about how
to disable this feature and how to enable it again during
runtime.

Signed-off-by: Márton Németh <nm127@...email.hu>
---
--- linux-3.0-rc3/drivers/base/Kconfig.orig	2011-06-14 00:29:59.000000000 +0200
+++ linux-3.0-rc3/drivers/base/Kconfig	2011-06-19 23:21:35.000000000 +0200
@@ -16,6 +16,11 @@ config UEVENT_HELPER_PATH
 	  that it creates a high system load, or on smaller systems
 	  it is known to create out-of-memory situations during bootup.

+	  To disable user space helper program execution at early boot
+	  time specify an empty string here. This setting can be altered
+	  via /proc/sys/kernel/hotplug or via /sys/kernel/uevent_helper
+	  later at runtime.
+
 config DEVTMPFS
 	bool "Maintain a devtmpfs filesystem to mount at /dev"
 	depends on HOTPLUG
--
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